Question

ME AJUDEM PFV
deconponha o radicado em fatores primos e a segui simplifique cada um dos radicais
\sqrt[16]{81}​

Answer 1

$\sqrt[16]{81}~=\\\\\\=~\sqrt[16]{3~.~3~.~3~.~3}\\\\\\=~\sqrt[16]{3^4}\\\\\\=~3^{\frac{4}{16}}\\\\\\=~3^{\frac{1}{4}}\\\\\\=~\boxed{\sqrt[4]{3}}$